EP 3305861 A4 20181121 - OIL-BASED INK COMPOSITION FOR WRITING INSTRUMENT, AND WRITING INSTRUMENT, MARKING PEN, AND BALLPOINT PEN CONTAINING SAME
Title (en)
OIL-BASED INK COMPOSITION FOR WRITING INSTRUMENT, AND WRITING INSTRUMENT, MARKING PEN, AND BALLPOINT PEN CONTAINING SAME
Title (de)
TINTENZUSAMMENSETZUNG AUF ÖLBASIS FÜR SCHREIBGERÄT SOWIE SCHREIBINSTRUMENT, FILZSCHREIBER UND KUGELSCHREIBER DAMIT
Title (fr)
COMPOSITION D'ENCRE À BASE D'HUILE POUR INSTRUMENT D'ÉCRITURE, ET INSTRUMENT D'ÉCRITURE, STYLO MARQUEUR, ET STYLO À BILLE LA CONTENANT
Publication
Application
Priority
- JP 2015108118 A 20150528
- JP 2016065400 W 20160525
Abstract (en)
[origin: EP3305861A1] [Problem] Provided is an oil-based ink composition for a writing instrument, which can form handwriting having excellent water resistance in which no bleeding occurs on written surfaces of various materials with a dye retaining color development. [Solution] An oil-based ink composition for a writing instrument, comprising a dye, an organic solvent and a phenolic compound of the following general formula (1): [wherein R is each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R 1 is any of an alkyl group having 1 to 5 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group, and R 2 is any of a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group].
IPC 8 full level
C09D 11/16 (2014.01); B43K 7/00 (2006.01); B43K 8/02 (2006.01); C07H 13/06 (2006.01); C09D 11/17 (2014.01); C09D 11/18 (2006.01)
CPC (source: EP US)
B43K 7/00 (2013.01 - EP US); B43K 8/02 (2013.01 - EP US); C07C 39/16 (2013.01 - US); C07H 13/06 (2013.01 - EP US); C08G 6/00 (2013.01 - US); C09D 11/16 (2013.01 - EP US); C09D 11/17 (2013.01 - EP US); C09D 11/18 (2013.01 - EP US)
Citation (search report)
- [XYI] JP 2012067210 A 20120405 - PILOT INK CO LTD
- [X] EP 2772523 A1 20140903 - PILOT CORP [JP]
- [X] US 2015090159 A1 20150402 - WANG RUIZHENG [US], et al
- [X] JP 2010106052 A 20100513 - PILOT INK CO LTD
- [XYI] JP 2010275419 A 20101209 - PILOT INK CO LTD
- [Y] JP 2012214611 A 20121108 - PENTEL KK
- See references of WO 2016190334A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3305861 A1 20180411; EP 3305861 A4 20181121; BR 112017025352 A2 20180807; BR 112017025352 B1 20221004; CN 107849380 A 20180327; CN 107849380 B 20210518; JP 6695873 B2 20200520; JP WO2016190334 A1 20180419; SG 11201709287X A 20171228; TW 201702323 A 20170116; TW I700342 B 20200801; US 10927270 B2 20210223; US 2018127609 A1 20180510; WO 2016190334 A1 20161201
DOCDB simple family (application)
EP 16800038 A 20160525; BR 112017025352 A 20160525; CN 201680029847 A 20160525; JP 2016065400 W 20160525; JP 2017520729 A 20160525; SG 11201709287X A 20160525; TW 105116736 A 20160527; US 201615575855 A 20160525